Best Duplo Alternatives in 2026
Updated
20 platforms from code clone detection tools ranked against Duplo on the same published basis.
- 1Duplo vs Simian Similarity Analyzer
- 2Duplo vs CloneWorks
- 3Duplo vs dcd
- 5Duplo vs jscpd
- 6Duplo vs PMD
- 7Duplo vs phpcpd-next
- 8Duplo vs NiCad
- 9Duplo vs CopyPaste
- 10Duplo vs QuickDup
- 11Duplo vs copydetect
- 12Duplo vs dskDitto
- 13Duplo vs Algo VPN
- 14Duplo vs Hound
- 15Duplo vs semdup
- 16Duplo vs @kongyo2/similarity-ts
- 17Duplo vs art-dupl
- 18Duplo vs CCFinderSW
- 19Duplo vs Deckard
- 20Duplo vs SourcererCC
- 21Duplo vs Amimica
Duplo alternatives compared
| # | Platform | Score | Free plan | From | Runs on |
|---|---|---|---|---|---|
| 1 | Simian Similarity Analyzer | 7.2 | Free plan | Free | Linux, Mac, Windows |
| 2 | CloneWorks | 7.1 | Free plan | Free | Linux, Mac, Windows |
| 3 | dcd | 7.1 | Free plan | Free | Linux, Mac |
| 5 | jscpd | 7.1 | Free plan | Free | API, Linux, Mac, self-hosted, Windows |
| 6 | PMD | 7.1 | Free plan | Free | Linux, Mac, self-hosted, Windows |
| 7 | phpcpd-next | 7.0 | Free plan | Free | API, Linux, self-hosted |
| 8 | NiCad | 6.9 | Free plan | Free | Linux, Mac, self-hosted, Windows |
| 9 | CopyPaste | 6.8 | Free plan | Free | Mac, Windows |
| 10 | QuickDup | 6.7 | No | — | Linux, Mac, Windows |
| 11 | copydetect | 6.5 | No | — | API, Linux, Mac, self-hosted, Windows |
| 12 | dskDitto | 6.5 | No | — | Linux, Mac |
| 13 | Algo VPN | 6.4 | No | — | Android, iOS, Linux, Mac, Windows |
| 14 | Hound | 6.4 | No | — | API, Linux, Mac, self-hosted, Web |
| 15 | semdup | 6.4 | No | — | Linux, Mac, self-hosted, Windows |
| 16 | @kongyo2/similarity-ts | 6.2 | No | — | — |
| 17 | art-dupl | 6.2 | No | — | — |
| 18 | CCFinderSW | 6.2 | No | — | Windows |
| 19 | Deckard | 6.0 | No | — | Windows, Mac, Linux |
| 20 | SourcererCC | 6.0 | No | — | Linux, self-hosted |
| 21 | Amimica | 5.7 | No | — | — |
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Questions about Duplo alternatives
What is the best alternative to Duplo?
Simian Similarity Analyzer, number 1 in code clone detection tools with a score of 7.2 out of 10. The others here: CloneWorks, dcd, jscpd and 16 more.
What is the best free alternative to Duplo?
Simian Similarity Analyzer is the best-ranked alternative with a free plan. 8 of the 20 alternatives here publish a free plan on their own pricing pages.
How are these alternatives ranked?
Ranked on how quickly a newcomer can get going: documentation depth, a free tier or trial, and the platforms it runs on.